n. a system formed by the interaction of a community of organisms with their physical environment
词态变化
复数形式:ecosystems
常见例句
1
plural of agroecosystem
2
tourism to exotic or threatened ecosystems to observe wildlife or to help preserve nature
3
(ecology) the gradual and orderly process of change in an ecosystem brought about by the progressive replacement of one community by another until a stable climax is established n
